Finding the Fourth Proportional to 3,870.60, 5,342.74 and 2,610.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.60 : 5,342.74 = 2,610.84 : x
2. Step 2: Convert to fraction form
   3,870.60/5,342.74 = 2,610.84/x
3. Step 3: Cross multiply
   3,870.60x = 5,342.74 × 2,610.84
4. Step 4: Simplify right side
   3,870.60x = 13,949,039.30
5. Step 5: Solve for x
   x = 13,949,039.30/3,870.60
6. Step 6: Final answer
   x = 3,603.84